Critical Facilities Maintenance Engineer

5C Data Centers USA, Inc.•Memphis, AL
•$40 - $59•Onsite

About The Position

The Critical Facilities Maintenance Engineer supports onsite operations for data center infrastructure, helping maintain continuous operation of electrical, mechanical, fire/life safety, and general building systems supporting critical IT capacity. The role includes operating and monitoring critical systems, performing preventive, corrective, and emergency maintenance, troubleshooting issues, responding to incidents, and maintaining equipment records and other technical documentation. Work is performed under the guidance of the CFM Chief Engineer and Facility Manager, with complex or high-risk issues escalated to Lead or Chief Engineers. The engineer also coordinates vendor activities and supports small-to-medium projects, new installations, and capital projects in collaboration with engineering, controls, logistics, construction, and other teams. Responsibilities include preparing or improving procedures, obtaining quotes, supporting audits, and ensuring work meets safety, security, environmental, and operational requirements. The position is onsite in a 24/7 critical environment, with shifts varying by location.

Requirements

  • Relevant technical degree, military training, or formal certifications.
  • Strong working knowledge of critical electrical and mechanical systems, including UPS, switchgear, generators, electrical distribution, chillers, CRAH/CRAC units, pumps, cooling towers, and chilled-water systems.
  • Ability to read electrical one-lines, mechanical schematics, wiring diagrams, and control sequences.
  • Proficiency executing MOPs, SOPs, and EOPs in a live critical environment.
  • Demonstrated advanced troubleshooting skills.
  • Ability to work onsite in a 24/7 critical environment; shifts vary by location.
  • Strong documentation and communication skills.
  • Ability to safely and reliably perform physical work, including lifting, ladder use, and working in confined spaces.

Nice To Haves

  • 2–4 years of hands-on experience in data centers, critical facilities, industrial plants, mechanical/electrical infrastructure, or a related industry.
  • Ability to independently perform routine and moderately complex maintenance tasks.
  • Understanding of critical systems such as CRAC/CRAH, UPS, generators, and PDUs.
  • Experience executing MOPs and SOPs with minimal supervision.
  • Early-stage experience troubleshooting non-complex issues.
  • Experience coordinating with vendors or contractors.
  • Technical diploma, trade certificate, or coursework in HVAC, electrical, mechanical, or industrial maintenance.
  • Experience with BMS, EPMS, or SCADA systems.
  • OEM training from Liebert, Schneider, Cummins, Caterpillar, or Trane.
  • Exposure to liquid cooling for AI/GPU environments.

Responsibilities

  • Independently operate and monitor critical electrical and mechanical systems, including UPS systems, battery plants, PDU/RPP, switchgear, generators, ATS/STS equipment, CRAH/CRAC units, chillers, cooling towers, pumps, valves, BMS, EPMS, SCADA, leak detection, and fire/life-safety systems.
  • Perform advanced troubleshooting and assist in diagnosing root causes of system issues; escalate complex or high-risk issues to Lead or Chief Engineers as appropriate.
  • Perform complex preventive, corrective, and emergency maintenance activities with minimal supervision.
  • Execute MOPs, SOPs, and EOPs accurately and in accordance with safety standards.
  • Provide input on procedure improvements, redlines, and documentation updates.
  • Coordinate vendor activities and ensure work is performed safely and in alignment with operational requirements.
  • Support incident response and gather information for post-incident reviews and reliability analysis.
  • Identify trends in system performance and communicate observations to site leadership to support optimization.
  • Maintain shift logs, equipment records, maintenance notes, and technical documentation.
  • Ensure work follows OSHA, NFPA, internal safety policies, environmental regulations, and internal audit requirements.
  • Support internal and external audit requirements, including ISO, SOC2, and environmental compliance.
  • Share technical knowledge, best practices, and troubleshooting techniques, and support a collaborative culture of safety, reliability, and continuous improvement.
  • Support general facility management, including building inspections and maintaining a clean work environment.
  • Support new installations and capital projects, collaborating with engineering, controls, logistics, construction, and other teams.
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